<p>The U.S. Department of Energy has been at the center of many of the greatest achievements in science and engineering in this century. DOE spends billions of dollars funding projects—and plans to keep on spending at this rate. But, documentation shows that DOE's construction and environmental remediation projects take much longer and cost 50% more than comparable projects undertaken by other federal agencies, calling into question DOE's procedures and project management. What are the root causes for these problems?</p>